Finding the Fourth Proportional to 115,110.08, 172,653.09 and 30,879.26
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Solution
The fourth proportional to 115,110.08, 172,653.09 and 30,879.26 is: 46,315.66
Step by Step Solution
- Step 1: Write the proportion equation
115,110.08 : 172,653.09 = 30,879.26 : x - Step 2: Convert to fraction form
115,110.08/172,653.09 = 30,879.26/x - Step 3: Cross multiply
115,110.08x = 172,653.09 × 30,879.26 - Step 4: Simplify right side
115,110.08x = 5,331,398,792.65 - Step 5: Solve for x
x = 5,331,398,792.65/115,110.08 - Step 6: Final answer
x = 46,315.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.